EP2647842A4 - Method, apparatus, and system for controlling pumping direction-switching for use in pumping apparatus - Google Patents

Method, apparatus, and system for controlling pumping direction-switching for use in pumping apparatus

Info

Publication number
EP2647842A4
EP2647842A4 EP11871867.5A EP11871867A EP2647842A4 EP 2647842 A4 EP2647842 A4 EP 2647842A4 EP 11871867 A EP11871867 A EP 11871867A EP 2647842 A4 EP2647842 A4 EP 2647842A4
Authority
EP
European Patent Office
Prior art keywords
pumping
switching
controlling
pumping direction
controlling pumping
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP11871867.5A
Other languages
German (de)
French (fr)
Other versions
EP2647842A1 (en
Inventor
Weichun Yi
Shuai Wang
Renyu Li
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Zoomlion Special Vehicle Co Ltd
Zoomlion Heavy Industry Science and Technology Co Ltd
Original Assignee
Hunan Zoomlion Special Vehicle Co Ltd
Zoomlion Heavy Industry Science and Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hunan Zoomlion Special Vehicle Co Ltd, Zoomlion Heavy Industry Science and Technology Co Ltd filed Critical Hunan Zoomlion Special Vehicle Co Ltd
Publication of EP2647842A1 publication Critical patent/EP2647842A1/en
Publication of EP2647842A4 publication Critical patent/EP2647842A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04B15/02—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
    • F04B15/023—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous supply of fluid to the pump by gravity through a hopper, e.g. without intake valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
    • F04B9/10—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid
    • F04B9/109—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers
    • F04B9/117—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers the pumping members not being mechanically connected to each other
    • F04B9/1172—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers the pumping members not being mechanically connected to each other the movement of each pump piston in the two directions being obtained by a double-acting piston liquid motor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2201/00—Pump parameters
    • F04B2201/02—Piston parameters
    • F04B2201/0201—Position of the piston

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Fluid-Pressure Circuits (AREA)
EP11871867.5A 2011-09-09 2011-09-09 Method, apparatus, and system for controlling pumping direction-switching for use in pumping apparatus Withdrawn EP2647842A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2011/079520 WO2013033915A1 (en) 2011-09-09 2011-09-09 Method, apparatus, and system for controlling pumping direction-switching for use in pumping apparatus

Publications (2)

Publication Number Publication Date
EP2647842A1 EP2647842A1 (en) 2013-10-09
EP2647842A4 true EP2647842A4 (en) 2014-08-20

Family

ID=47831458

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11871867.5A Withdrawn EP2647842A4 (en) 2011-09-09 2011-09-09 Method, apparatus, and system for controlling pumping direction-switching for use in pumping apparatus

Country Status (4)

Country Link
EP (1) EP2647842A4 (en)
BR (1) BR112013015754A2 (en)
RU (1) RU2013126766A (en)
WO (1) WO2013033915A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103821688B (en) * 2014-01-20 2016-04-06 三一汽车制造有限公司 A kind of pumping mechanism, pumping controlling method and concrete pumping equipment
CN106704134A (en) * 2017-03-15 2017-05-24 吉孚艾（天津）压缩系统技术有限公司 Hydraulic free piston multi-phase mixed transportation device
NL2019357B1 (en) * 2017-07-27 2019-02-18 Weir Minerals Netherlands Bv Pump system for handling a slurry medium
CN111306028A (en) * 2020-03-30 2020-06-19 湖南拓沃重工科技有限公司 Concrete pump concrete piston maintenance method
CN111456976A (en) * 2020-05-27 2020-07-28 徐州徐工施维英机械有限公司 Pumping machinery hydraulic system and pumping machinery

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10331762A (en) * 1997-05-30 1998-12-15 Niigata Eng Co Ltd Operation method for concrete pump and concrete pump
US20060245943A1 (en) * 2004-03-26 2006-11-02 Wilhelm Hofmann Device and method for controlling a thick matter pump

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08319938A (en) * 1995-05-24 1996-12-03 Tadano Ltd Forced feed device for fluid
JP3143772B2 (en) * 1995-06-12 2001-03-07 極東開発工業株式会社 Control device for concrete pump
JP3713636B2 (en) * 1995-10-20 2005-11-09 石川島建機株式会社 Method and apparatus for controlling operation of viscous fluid pump
KR100281932B1 (en) * 1998-10-10 2001-09-22 양재신 Drive cylinder hydraulics
CN201521424U (en) * 2009-03-19 2010-07-07 杭州专用汽车有限公司 Control device for resolving concrete pumping discontinuity of boom pump trucks
CN201568245U (en) * 2009-05-31 2010-09-01 长沙中联重工科技发展股份有限公司 Concrete pumping unit and concrete pumping device
CN201486790U (en) * 2009-08-10 2010-05-26 福田雷沃重机股份有限公司 Pumping mechanism capable of changing strokes and pump vehicle provided therewith

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10331762A (en) * 1997-05-30 1998-12-15 Niigata Eng Co Ltd Operation method for concrete pump and concrete pump
US20060245943A1 (en) * 2004-03-26 2006-11-02 Wilhelm Hofmann Device and method for controlling a thick matter pump

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013033915A1 *

Also Published As

Publication number Publication date
RU2013126766A (en) 2015-10-20
WO2013033915A1 (en) 2013-03-14
EP2647842A1 (en) 2013-10-09
BR112013015754A2 (en) 2018-11-06

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 20130704

AK Designated contracting states

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Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

A4 Supplementary search report drawn up and despatched

Effective date: 20140721

RIC1 Information provided on ipc code assigned before grant

Ipc: F04B 9/117 20060101AFI20140715BHEP

Ipc: F04B 15/02 20060101ALI20140715BHEP

DAX Request for extension of the european patent (deleted)
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Effective date: 20150318